Why Choose FlexiDoc for HTML to PDF Conversion?
Perfect Rendering
Pixel-perfect conversion that preserves CSS styling, layouts, and responsive designs
Web Standards
Full support for modern HTML5, CSS3, JavaScript, and web fonts
Responsive Design
Convert responsive websites with custom viewport sizes and media queries
Lightning Fast
High-performance conversion engine processes documents in seconds
Secure & Private
Enterprise-grade security with encrypted processing and auto-deletion
Developer Friendly
Simple REST API with SDKs for Python, JavaScript, PHP, and more
Simple Integration in Minutes
Get started with our HTML to PDF API using your favorite programming language
curl -X POST https://api.flexidoc.io/v1/convert/html-to-pdf \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"html": "<html><body><h1>Hello World</h1></body></html>",
"options": {
"format": "A4",
"margin": { "top": "1cm", "bottom": "1cm" }
}
}'Popular HTML to PDF Use Cases
Invoice Generation
Generate professional PDF invoices from HTML templates with dynamic data
Report Creation
Convert data visualizations and dashboards into shareable PDF reports
Documentation Export
Export technical documentation, user manuals, and guides to PDF
Certificate Generation
Create PDF certificates and diplomas from HTML templates
Technical Specifications
Input Formats
- HTML5 & XHTML documents
- Direct URL conversion
- HTML strings & templates
- Base64 encoded content
Output Options
- All standard page sizes (A4, Letter, etc.)
- Custom dimensions & margins
- Headers, footers & page numbers
- Password protection & encryption